Musical instrument



FIG. 1 is a front perspective view of a musical instrument showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is the side view opposite to FIG. 4;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The appearance within the unshaded areas defined by the circular outlines forms no part of the claimed design.

The broken lines are included for the purpose of illustrating portions of the musical instrument that form no part of the claimed design. 

The ornamental design for a musical instrument, as shown and described. 